4 dedicated lotion for use with OYA Permanent Color:* 10 volume (3%) for all gray coverage and deposit only* 20 volume (6%) up to 2 levels of lift* 30 volume (9%) 2 to 3 levels of lift* 40 volume (12%) 3 or more levels of lift
1 dedicated lotion for use with the OYA Demi Permanent Color:* 5 volume (1.5%) deposit only